What is the name of the supercontinent proposed by Alfred Wegener?
A) Pangaea
B) Rodinia
C) Amasia
D) Nuna
Question 2
Although the jigsaw-puzzle fit of the southern continents was noted, opponents of continental drift argued that, even if continental displacement had occurred,
a good fit between the continents today would be unlikely. What geologic evidence did they cite to support this claim?
A) Deposition in river deltas had changed the longshore current, resulting in erosion.
B) The tensional stress of splitting sheared the continents beyond all repair.
C) Wave erosion and coastal deposition have changed the shape of the continents.
D) Fissure eruptions along continental margins had created new land.
The Supercontinent Pangaea
Alfred Wegener Hypothesized continental drift
Alfred Russel Wallace
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Formation of Pangaea
The DNA double helix as proposed by Watson and Crick